196529445 has 72 divisors (see below), whose sum is σ = 417212640. Its totient is φ = 85095360.

The previous prime is 196529423. The next prime is 196529447. The reversal of 196529445 is 544925691.

It is not a de Polignac number, because 196529445 - 2⁸ = 196529189 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 196529445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196529447) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 39550 + ... + 44240.

It is an arithmetic number, because the mean of its divisors is an integer number (5794620).

Almost surely, 2^196529445 is an apocalyptic number.

196529445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196529445 is an abundant number, since it is smaller than the sum of its proper divisors (220683195).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196529445 is a wasteful number, since it uses less digits than its factorization.

196529445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4735 (or 4725 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 196529445 is about 14018.8959979023. The cubic root of 196529445 is about 581.4011358632.

The spelling of 196529445 in words is "one hundred ninety-six million, five hundred twenty-nine thousand, four hundred forty-five".